A unit of matched items consisting of a circular or cylindrical item, ground for provision to be lapped with the mating seating surface to function as a unit to form a drip tight seal. May include plate, insert, guide, rings, and the like. See also disk, valve and seat, valve.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 4140-00-019-1697
NSN 6320-00-369-1333
NSN 6110-01-418-7762
NSN 6105-01-518-1008
NSN 5835-01-446-6065
NSN 5925-00-301-0810
NSN 5855-01-432-2487
NSN 6145-01-168-7756
NSN 5998-00-473-2035
NSN 4140-01-103-0902
NSN 5999-01-140-1621
NSN 7035-01-145-5059